Classic Audi Technical Technical Info » KE-jetronic diagnostic & adjustment

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Old 29-07-15, 05:04 PM   #11
msh
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Originally Posted by aimanrs2 View Post
Good information shown here sir, recently been looking around for answer with regards to idling issue for K-jet engine.

Just wondering, does KE-jetronic fuel distributor/metering head interchangeable to K-jet one? It would be nightmare for me if one day the fuel distributor fail on my A90Q.
Not really, the working principles are different. The whole system could be installed, though. Which usually means KE-jet being swapped for K-jet due to mechanic unability do to anything more than swap parts.
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Old 29-07-15, 05:48 PM   #12
aimanrs2
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Unfortunately mechanics nowadays are more familiar with modern electronic fuel injection system instead of the k-jet. This has cost me a rare RHD manual 200 5t left sitting and rotten under my garage for more than 10 years!
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Old 29-07-15, 05:57 PM   #13
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I don't.

The only part there which has been glued are bolt holes, so that it would be easy to identify if the potentiometer has been touched. That potentiometer has long, oval screw holes, to enable adjustment by turning it slightly to one side or another. Only adjustment is tricky, because voltage changes even when you're just tightening bolts, as I mentioned, so be prepared, it's not easy. A couple of times I've done it, it took me about hour to catch voltage fine enough.
Alrighty!!! I get it now! thank you very much dear sir! And if you were to buy all the engine parts that you need where would you order them from? I will probably have to order it online since I am 2000KM away... anyways thank you very much for information
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Old 07-08-15, 09:26 PM   #14
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Injection system parts? I'm usually using local junkyards If I would be serious about having KE3-jetronic for myself, then I would buy new original injectors and try to get some new potentiometer - new injectors could be ordered in some stores, while potentiometers could be found in ebay, only I've heard that some will workd and some not.

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Originally Posted by aimanrs2 View Post
Unfortunately mechanics nowadays are more familiar with modern electronic fuel injection system instead of the k-jet. This has cost me a rare RHD manual 200 5t left sitting and rotten under my garage for more than 10 years!
You can always switch to EFI with some programmable ECU [my personal preferance would be VEMS, but it depends on pricing and tuners available locally] of, if you can get some specialist who could tune motronic, switch to some 20vt motronic.
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Old 25-04-18, 07:29 AM   #15
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Wanted to put a bump on this to say thanks for how useful it was!
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